//
//  AppDelegate.swift
//  book
//
//  Created by 上海海洋大学 on 2017/5/25.
//  Copyright © 2017年 上海海洋大学. All rights reserved.
//

import UIKit
import CoreData

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        sleep(3)
        
        window = UIWindow()
        window?.rootViewController = bookMainController()
        window?.makeKeyAndVisible()
        return true
    }

 


}

